A hangar at Johnson Space Center is the setting as four "non-astronauts" began a one-year "residency" Sunday in a setting that's designed to simulate life on Mars. NASA says the goal is to examine the potential physical and mental effects of arriving on and then living on the "red planet" for at least a year. The crew of two men and two women were selected among applicants NASA recruited when the experiment was first announced two years ago. See some video and read more below.
You likely saw Andrew Colton reporting live from many of the major events that have shaped our world, including the Pentagon on 9/11, the crash of...Full Bio